<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>
    <script>
        var name = '周杰伦';
        var age = 20;
        var address = "台湾";
        alert('我是' + name + '我今年' + age + '岁' + '我来自' + address)

         var game = prompt('你喜欢玩什么游戏？')
        alert(game);
    </script>
   
</body>

</html>